Yvonne Carts-Powell

Green roofs, white roofs, what makes sense?

In beautiful, energy on March 18, 2014 at 7:48 am

There’s ample evidence that sometimes a roof with plants on it — or a roof painted white — reduces the heat load of a building compared to a standard black tar roof. But is it always so? Is it enough? The solution of which type of roof works best for a particular building or in a particular location is  not simple. Still, with the hope of reducing urban heat islands, it’s worth experimenting. Scientific American has an update on the state of the (still an) art:

Cool Roofs Might Be Enough to Save Cities from Climate Overheating


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